[  837.922711] 8021q: adding VLAN 0 to HW filter on device bond0
[  837.926759] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  837.930776] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  837.934710] br0: port 1(veth0) entered blocking state
[  837.934776] br0: port 1(veth0) entered disabled state
[  837.934841] veth0: entered allmulticast mode
[  837.934936] veth0: entered promiscuous mode
[  837.938949] br0: port 2(veth1) entered blocking state
[  837.938989] br0: port 2(veth1) entered disabled state
[  837.939016] veth1: entered allmulticast mode
[  837.939088] veth1: entered promiscuous mode
[  838.195081] br0: port 1(veth0) entered blocking state
[  838.195136] br0: port 1(veth0) entered forwarding state
[  838.195186] br0: port 2(veth1) entered blocking state
[  838.195216] br0: port 2(veth1) entered forwarding state
[  839.947067] bond0: (slave veth1): link status definitely up
[  839.947230] bond0: (slave veth1): making interface the new active one
[  839.947375] bond0: active interface up!
[  840.028317] veth1: left allmulticast mode
[  840.028415] veth1: left promiscuous mode
[  840.028539] br0: port 2(veth1) entered disabled state
[  840.028802] veth0: left allmulticast mode
[  840.028933] veth0: left promiscuous mode
[  840.029102] br0: port 1(veth0) entered disabled state
[  840.033201] bond0: (slave veth1): Releasing backup interface
[  840.038309] bond0: (slave veth0): Releasing backup interface
[  840.081098] bond0 (unregistering): Released all slaves